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Side-by-side financial comparison of Inspire Medical Systems, Inc. (INSP) and PennyMac Financial Services, Inc. (PFSI). Click either name above to swap in a different company.

PennyMac Financial Services, Inc. is the larger business by last-quarter revenue ($538.0M vs $269.1M, roughly 2.0× Inspire Medical Systems, Inc.). PennyMac Financial Services, Inc. runs the higher net margin — 1752.5% vs 50.6%, a 1701.9% gap on every dollar of revenue. On growth, PennyMac Financial Services, Inc. posted the faster year-over-year revenue change (14.4% vs 12.2%). Inspire Medical Systems, Inc. produced more free cash flow last quarter ($41.8M vs $-1.7B). Over the past eight quarters, PennyMac Financial Services, Inc.'s revenue compounded faster (32.7% CAGR vs 28.1%).

Inspire Medical Systems, Inc. is a medical technology firm that develops, manufactures and commercializes implantable neurostimulation solutions for obstructive sleep apnea. Its core product serves patients intolerant to CPAP therapy, with main markets across North America, Europe, and select Asia-Pacific regions, operating in sleep medicine and otolaryngology segments.

PennyMac Financial Services, Inc. is an American residential mortgage company headquartered in Westlake Village, California. The company's business focuses on the production and servicing of U.S. mortgage loans and the management of investments related to the U.S. mortgage market. Pennymac operates through two subsidiaries: PennyMac Loan Services, LLC and PNMAC Capital Management, LLC. The latter manages the PennyMac Mortgage Investment Trust, a mortgage REIT.

INSP vs PFSI — Head-to-Head

Bigger by revenue
PFSI
PFSI
2.0× larger
PFSI
$538.0M
$269.1M
INSP
Growing faster (revenue YoY)
PFSI
PFSI
+2.2% gap
PFSI
14.4%
12.2%
INSP
Higher net margin
PFSI
PFSI
1701.9% more per $
PFSI
1752.5%
50.6%
INSP
More free cash flow
INSP
INSP
$1.7B more FCF
INSP
$41.8M
$-1.7B
PFSI
Faster 2-yr revenue CAGR
PFSI
PFSI
Annualised
PFSI
32.7%
28.1%
INSP

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
INSP
INSP
PFSI
PFSI
Revenue
$269.1M
$538.0M
Net Profit
$136.1M
$106.8M
Gross Margin
86.6%
Operating Margin
17.1%
25.0%
Net Margin
50.6%
1752.5%
Revenue YoY
12.2%
14.4%
Net Profit YoY
286.4%
2.2%
EPS (diluted)
$4.57
$1.97

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
INSP
INSP
PFSI
PFSI
Q4 25
$269.1M
$538.0M
Q3 25
$224.5M
$632.9M
Q2 25
$217.1M
$444.7M
Q1 25
$201.3M
$430.9M
Q4 24
$239.7M
$470.1M
Q3 24
$203.2M
$411.8M
Q2 24
$195.9M
$406.1M
Q1 24
$164.0M
$305.7M
Net Profit
INSP
INSP
PFSI
PFSI
Q4 25
$136.1M
$106.8M
Q3 25
$9.9M
$181.5M
Q2 25
$-3.6M
$136.5M
Q1 25
$3.0M
$76.3M
Q4 24
$35.2M
$104.5M
Q3 24
$18.5M
$69.4M
Q2 24
$9.8M
$98.3M
Q1 24
$-10.0M
$39.3M
Gross Margin
INSP
INSP
PFSI
PFSI
Q4 25
86.6%
Q3 25
85.8%
Q2 25
84.0%
Q1 25
84.7%
Q4 24
85.0%
Q3 24
84.1%
Q2 24
84.8%
Q1 24
84.9%
Operating Margin
INSP
INSP
PFSI
PFSI
Q4 25
17.1%
25.0%
Q3 25
4.3%
37.3%
Q2 25
-1.5%
17.2%
Q1 25
-0.7%
24.2%
Q4 24
13.3%
27.5%
Q3 24
7.0%
22.8%
Q2 24
2.6%
33.0%
Q1 24
-9.3%
14.4%
Net Margin
INSP
INSP
PFSI
PFSI
Q4 25
50.6%
1752.5%
Q3 25
4.4%
28.7%
Q2 25
-1.7%
30.7%
Q1 25
1.5%
17.7%
Q4 24
14.7%
2559.8%
Q3 24
9.1%
16.8%
Q2 24
5.0%
24.2%
Q1 24
-6.1%
12.9%
EPS (diluted)
INSP
INSP
PFSI
PFSI
Q4 25
$4.57
$1.97
Q3 25
$0.34
$3.37
Q2 25
$-0.12
$2.54
Q1 25
$0.10
$1.42
Q4 24
$1.17
$1.95
Q3 24
$0.60
$1.30
Q2 24
$0.32
$1.85
Q1 24
$-0.34
$0.74

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
INSP
INSP
PFSI
PFSI
Cash + ST InvestmentsLiquidity on hand
$308.3M
$410.0M
Total DebtLower is stronger
$6.2B
Stockholders' EquityBook value
$781.2M
$4.3B
Total Assets
$907.3M
$29.4B
Debt / EquityLower = less leverage
1.45×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
INSP
INSP
PFSI
PFSI
Q4 25
$308.3M
$410.0M
Q3 25
$322.6M
$62.2M
Q2 25
$300.9M
$462.3M
Q1 25
$369.2M
$443.4M
Q4 24
$445.5M
$420.6M
Q3 24
$411.0M
$667.9M
Q2 24
$439.7M
$188.8M
Q1 24
$441.4M
$69.0K
Total Debt
INSP
INSP
PFSI
PFSI
Q4 25
$6.2B
Q3 25
$6.2B
Q2 25
$5.6B
Q1 25
$5.8B
Q4 24
$5.3B
Q3 24
$4.9B
Q2 24
$4.9B
Q1 24
$4.5B
Stockholders' Equity
INSP
INSP
PFSI
PFSI
Q4 25
$781.2M
$4.3B
Q3 25
$666.5M
$4.2B
Q2 25
$677.8M
$4.0B
Q1 25
$635.7M
$3.9B
Q4 24
$689.7M
$3.8B
Q3 24
$696.6M
$3.7B
Q2 24
$638.1M
$3.7B
Q1 24
$589.0M
$3.6B
Total Assets
INSP
INSP
PFSI
PFSI
Q4 25
$907.3M
$29.4B
Q3 25
$807.7M
$25.4B
Q2 25
$802.2M
$24.2B
Q1 25
$730.8M
$23.9B
Q4 24
$808.4M
$26.1B
Q3 24
$796.2M
$22.9B
Q2 24
$728.4M
$21.6B
Q1 24
$685.8M
$19.8B
Debt / Equity
INSP
INSP
PFSI
PFSI
Q4 25
1.45×
Q3 25
1.48×
Q2 25
1.38×
Q1 25
1.48×
Q4 24
1.37×
Q3 24
1.32×
Q2 24
1.35×
Q1 24
1.27×

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
INSP
INSP
PFSI
PFSI
Operating Cash FlowLast quarter
$52.5M
$-1.7B
Free Cash FlowOCF − Capex
$41.8M
$-1.7B
FCF MarginFCF / Revenue
15.5%
-309.3%
Capex IntensityCapex / Revenue
4.0%
2.2%
Cash ConversionOCF / Net Profit
0.39×
-15.46×
TTM Free Cash FlowTrailing 4 quarters
$78.5M
$-1.4B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
INSP
INSP
PFSI
PFSI
Q4 25
$52.5M
$-1.7B
Q3 25
$68.5M
$-697.4M
Q2 25
$2.7M
$-131.3M
Q1 25
$-6.7M
$1.1B
Q4 24
$69.2M
$-4.5B
Q3 24
$52.3M
$-393.7M
Q2 24
$-78.0K
$-1.1B
Q1 24
$8.9M
$-897.9M
Free Cash Flow
INSP
INSP
PFSI
PFSI
Q4 25
$41.8M
$-1.7B
Q3 25
$58.1M
$-699.4M
Q2 25
$-6.3M
$-132.6M
Q1 25
$-15.1M
$1.1B
Q4 24
$62.2M
$-4.5B
Q3 24
$44.3M
$-393.9M
Q2 24
$-12.5M
$-1.1B
Q1 24
$-2.8M
$-898.9M
FCF Margin
INSP
INSP
PFSI
PFSI
Q4 25
15.5%
-309.3%
Q3 25
25.9%
-110.5%
Q2 25
-2.9%
-29.8%
Q1 25
-7.5%
247.3%
Q4 24
25.9%
-964.7%
Q3 24
21.8%
-95.6%
Q2 24
-6.4%
-269.2%
Q1 24
-1.7%
-294.1%
Capex Intensity
INSP
INSP
PFSI
PFSI
Q4 25
4.0%
2.2%
Q3 25
4.6%
0.3%
Q2 25
4.1%
0.3%
Q1 25
4.2%
0.1%
Q4 24
2.9%
0.4%
Q3 24
3.9%
0.0%
Q2 24
6.3%
0.1%
Q1 24
7.1%
0.3%
Cash Conversion
INSP
INSP
PFSI
PFSI
Q4 25
0.39×
-15.46×
Q3 25
6.90×
-3.84×
Q2 25
-0.96×
Q1 25
-2.24×
13.97×
Q4 24
1.96×
-43.39×
Q3 24
2.83×
-5.68×
Q2 24
-0.01×
-11.12×
Q1 24
-22.84×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

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